/*
 * Copyright 2013 Rivaldo.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.jety.commons.domain;

import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Proxy;
import org.jety.commons.typechecker.AbstractTypeChecker;
import org.jety.commons.typechecker.GsonTypeChecker;

/**
 * Class responsible for creating the server proxy communication.
 * @author Rivaldo
 */
public class ProxyBuilder {

    private static final AbstractTypeChecker typeChecker = new GsonTypeChecker();

    /**
     * Create 
     * @param <T>
     * @param handler
     * @param classes
     * @return
     * @throws IllegalArgumentException 
     */
    public static <T> T createProxy(InvocationHandler handler, final Class<T>... classes) throws IllegalArgumentException {
        checkClasses(classes);
        return (T) Proxy.newProxyInstance(ProxyBuilder.class.getClassLoader(), classes, handler);
    }

    /**
     * 
     * @param <T>
     * @param classes
     * @throws IllegalArgumentException 
     */
    private static <T> void checkClasses(final Class<T>[] classes) throws IllegalArgumentException {
        for (Class<T> clazz : classes) {
            typeChecker.checkInterface(clazz);
        }
    }
}
